Home » Spray Nozzle » TY-B Upright Sprinkler (TY4851) TY-B Upright Sprinkler (TY4851) Specifications: • Model : TY-B Upright (TY4851) Standard Response • Discharge : K-Factor = 8.0 GPM/psi½ (115.2 LPM/bar½) . 1/2″ NPT” • Maximum Working Pressure : 250 psi (17.2 bar)* Category: Spray Nozzle Tags: Fire Fighting Equipment, Spray Nozzle Related products Ball Shut-offs & Playpipes Fire Hose – Rubber Foam Expansion Tube Marine Hydrant Box Type – C